Awesomesauce is a slang term that means something is extremely good, excellent, or impressive. It's a more informal and playful way to say "awesome."

Here's a breakdown of the term:

1. Awesome: This means something is very good or impressive.
2. Sauce: This is typically a condiment, but here it's used playfully to create a new word.

So, "awesomesauce" combines these two ideas to mean something is like the very essence of awesomeness. It's often used online or in casual conversation.

What about the part of speech?

Awesomesauce is a bit of a unique case because it's a slang term. In traditional grammar, it wouldn't fit neatly into a single part of speech. However, we can analyze how it functions in a sentence:

1. As an adjective: It functions most like an adjective because it describes something. If you said "That movie was awesomesauce," it describes the quality of the movie.
2. Made-up word: It's important to note that "awesomesauce" is a neologism, a new word created for informal contexts. These don't always adhere to strict grammatical rules.